Many foresaw Obamacare website jam

Major insurers, state health-care officials and Democratic allies repeatedly warned the Obama administration in recent months that the new federal health-insurance exchange had significant problems, according to people familiar with the conversations. Despite those warnings and intense criticism from Republicans, the White House proceeded with an Oct. 1 launch.A week after the federal website opened, technical problems continued to plague the system, and on Tuesday people were locked out until 10 a.m., although some applicants were able to sign up …